Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1946 3
1947 2
1948 1
1949 1
1950 3
1951 3
1952 1
1953 4
1954 1
1956 6
1957 7
1958 7
1959 3
1960 5
1961 7
1962 6
1963 11
1964 34
1965 49
1966 122
1967 128
1968 328
1969 434
1970 461
1971 633
1972 671
1973 815
1974 847
1975 681
1976 500
1977 414
1978 379
1979 471
1980 339
1981 425
1982 390
1983 420
1984 436
1985 384
1986 354
1987 299
1988 347
1989 334
1990 252
1991 219
1992 268
1993 276
1994 317
1995 259
1996 258
1997 288
1998 299
1999 221
2000 218
2001 231
2002 248
2003 272
2004 234
2005 242
2006 263
2007 234
2008 222
2009 155
2010 182
2011 207
2012 190
2013 179
2014 197
2015 166
2016 171
2017 145
2018 118
2019 127
2020 126
2021 116
2022 53
2023 36
2024 25

Search Results

17,316 results

Results by year

Filters applied: . Clear all
Page 1
Partial pressure of ammonia in alveolar air.
JACQUEZ JA, POPPELL JW, JELTSCH R. JACQUEZ JA, et al. Science. 1959 Jan 30;129(3344):269-70. doi: 10.1126/science.129.3344.269. Science. 1959. PMID: 13624715
17,316 results
You have reached the last available page of results. Please see the User Guide for more information.